CHAPTER 14Working with Markup
PHP was originally designed as a way to use a special Hypertext Markup Language (HTML) tag to access custom-made business logic written in C. This system has since evolved to a full programming language that allows an HTML developer to add and parse code or a programmer to create advanced scripts that generate HTML documents, images, or other forms of documents. The processing of the special PHP tag takes place on the server side, before the final document is transferred to the browser or client. This is why the language used to be called PHP Hypertext Preprocessor.
When you request that a web server serve a document, the document is usually read from a disk or other storage device and transferred directly to the ...
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